Specification

Direct-Wire LED Recessed Downlight
4JBK ADJ
IC
Remodel
Specifications
Aperture: 2-1/2" (62.0)
Overlap Trim: 4-7/8" (124.0)
Height: 4-5/8" (117.2)
Ceiling Opening: 4-5/8" (117)
Min Ceiling Thickness: 1/2" (12.7)
Max Ceiling Thickness: 1-1/2" (38.1)
All dimensions are inches (millimeters).
FEATURES & SPECIFICATIONS
INTENDED USE — The OneUp™ recessed direct-wire LED downlight includes integrated junction box,
trim, pre-installed non-metallic bushings and 3-port push wire quick connectors in one package. The
OneUp is the most economical means to create a well lit environment with exceptional energy efficiency
and near zero maintenance.
CONSTRUCTION — Aluminum die cast, adjustable gimbal trim. Integrated galvanized steel junction
box with captive door for easy access. Suitable for daisy chaining (pulling wires). Available in 3000K color
temperature LEDs.
OPTICS — Round adjustable gimbal with 180 degrees of rotation and 35 degrees of adjustable tilt in
both directions. Diffused lens provides even light distribution for general illumination, equivalent to
65W incandescent flood lamp. Wide flood beam angle at >90°. CRI >90. Maintains at least 70% light
output for 50,000 hours.
INSTALLATION — Tool-less installation. Secure trim retention with two side-mounted spring clips
for easy installation in plaster, sheet rock, or plywood ceilings. The integrated junction box - with
pre-installed non-metallic bushing - allows non-metallic cable to be fed through without the hassle
of knockouts. The captive junction box door provides easy access to pre-installed 3-port push wire
quick connectors for straight-forward wiring. Rated for Type IC installations. Maximum of 4 No. 12AWG
through branch circuit conductor suitable for 90°C permitted in box. Ground wire provided.
ELECTRICAL SYSTEM — LED module with high-efficiency on board driver. Dimming down to 10%. For
compatible dimmers, refer to: Compatible dimmers chart.
Actual wattage may differ by +/-5% when operating at 120V +/-10%.
LISTINGS — ETL certified to US and Canadian safety standards. Can be used to comply with California
Title 24 Part6 High Efficacy LED Light Source Requirements. ENERGY STAR® certified. Damp location
listed.
WARRANTY — 5-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Note: Actual performance may differ as a result of end-user environment and application.
All values are design or typical values, measured under laboratory conditions at 25 °C.
Specifications subject to change without notice.
DOWNLIGHTING 4JBK ADJ
Catalog
Number
Notes
Type
Notes
1 Total System Delivered Lumens.
2-1/2”
[62.0]
4-7/8”
[124.0]
4-5/8”
[117.2]
Series Shape CCT/Watts/Lumens
1
CRI Finish
4JBK ADJ Round Adjustable 27K
30K
40K
50K
2700K/8.2W/595L
3000K/8.2W/620L
4000K/8.2W/635L
5000K/8.2W/640L
90CRI 90 CRI MW Matte White
BN Brushed Nickel
ORB Oil Rubbed Bronze
ORDERING INFORMATION
For shortest lead times, configure product using standard options (shown in bold).
Example: 4JBK ADJ 30K 90CRI MW
Brushed nickel
Oil-rubbed bronze
IC RATED
Accessories: Order as separate catalog number.
OUJBK643 PAN U Universal Construction Pan
Universal Construction Pan